Night flights i don't care but on day flights it is bloody annoying to have the shade open.
Even one open shade will almost lit the whole cabin.
And no i can't sleep with eye-shades, hate them.
So i'm happy that they enforce the closure of the shades.
One shellfish person should not ruin the sleep or IFE experience of the rest of the passengers.
I noticed several times that somebody opens the shade and after 5 minutes going to sleep without closing the shades.
Use the blanket if you want to watch outside.